<template>
  <div class="app-container">
    <!--
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['system:menu:add']"
        >新增
        </el-button>
      </el-col>
      <right-toolbar
          :showSearch.sync="showSearch"
          @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
        v-loading="loading"
        :data="menuList"
        row-key="id"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column
          prop="name"
          label="菜单名称"
          :show-overflow-tooltip="true"
          width="160"
      ></el-table-column>
      <!--
      <el-table-column
        prop="icon"
        label="图标"
        align="center"
        width="100"
      >
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      -->
      <el-table-column
          prop="sort"
          label="排序"
          width="150"
          align="center"
      ></el-table-column>

      <el-table-column
          prop="permission"
          label="权限标识"
          :show-overflow-tooltip="true"
      ></el-table-column>
      <el-table-column
          prop="component"
          label="组件路径"
          :show-overflow-tooltip="true"
      ></el-table-column>
      <!--
      <el-table-column
        prop="status"
        label="状态"
        :formatter="statusFormat"
        width="80"
      ></el-table-column>
      <el-table-column
        label="创建时间"
        align="center"
        prop="createTime"
      >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      -->
      <el-table-column
          label="操作"
          align="center"
          class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['system:menu:edit']"
          >修改
          </el-button>
          <el-button
              size="mini"
              type="text"
              icon="el-icon-plus"
              @click="handleAdd(scope.row)"
              v-hasPermi="['system:menu:add']"
          >新增
          </el-button>
          <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              v-hasPermi="['system:menu:remove']"
              @click="handleDelete(scope.row)"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog
        v-dialog-drag
        :title="title"
        :visible.sync="open"
        width="600px"
        append-to-body
        :close-on-click-modal="false"
    >
      <el-form
          ref="form"
          :model="form"
          :rules="rules"
          label-width="80px"
      >
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                  v-model="form.parent"
                  :options="menuOptions"
                  :normalizer="normalizer"
                  :show-count="true"
                  placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
                label="菜单类型"
                prop="menuType"
            >
              <el-radio-group v-model="form.type">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <!--
          <el-col :span="24">
            <el-form-item
              v-if="form.menuType != 'F'"
              label="菜单图标"
            >
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect
                  ref="iconSelect"
                  @selected="selected"
                />
                <el-input
                  slot="reference"
                  v-model="form.icon"
                  placeholder="点击选择图标"
                  readonly
                >
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i
                    v-else
                    slot="prefix"
                    class="el-icon-search el-input__icon"
                  />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          -->
          <el-col :span="12">
            <el-form-item
                label="菜单名称"
                prop="name"
            >
              <el-input
                  v-model="form.name"
                  placeholder="请输入菜单名称"
              />
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item
              label="显示排序"
              prop="sort"
            >
              <el-input-number
                v-model="form.sort"
                controls-position="right"
                :min="0"
              />
            </el-form-item>
          </el-col>
          <!--
          <el-col :span="12">
            <el-form-item
              v-if="form.menuType != 'F'"
              label="是否外链"
            >
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          -->
          <el-col :span="12">
            <el-form-item
                v-if="form.type != 'F'"
                label="路由地址"
                prop="path"
            >
              <el-input
                  v-model="form.path"
                  placeholder="请输入路由地址"
              />
            </el-form-item>
          </el-col>
          <el-col
              :span="12"
              v-if="form.type == 'C'"
          >
            <el-form-item
                label="组件路径"
                prop="component"
            >
              <el-input
                  v-model="form.component"
                  placeholder="请输入组件路径"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
                v-if="form.type != 'M'"
                label="权限标识"
            >
              <el-input
                  v-model="form.permission"
                  placeholder="请输入权限标识"
                  maxlength="100"
              />
            </el-form-item>
          </el-col>
          <!--
          <el-col :span="12">
            <el-form-item
              v-if="form.menuType != 'F'"
              label="显示状态"
            >
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item
              v-if="form.menuType != 'F'"
              label="菜单状态"
            >
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item
              v-if="form.menuType == 'C'"
              label="是否缓存"
            >
              <el-radio-group v-model="form.isCache">
                <el-radio label="0">缓存</el-radio>
                <el-radio label="1">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          -->
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listMenu, delMenu, addMenu, updateMenu, oneMenu, oneMenuForEdit} from "@/api/system/menu";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";

export default {
  name: "Menu",
  components: {Treeselect, IconSelect},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,

      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          {required: true, message: "菜单名称不能为空", trigger: "blur"},
        ],
        sort: [
          {required: true, message: "菜单顺序不能为空", trigger: "blur"},
        ],
        path: [
          {required: true, message: "路由地址不能为空", trigger: "blur"},
        ],
      },
    };
  },
  created() {
    this.getList();
    /*
    this.getDicts("sys_show_hide").then(response => {
      this.visibleOptions = response.data;
    });
    this.getDicts("sys_normal_disable").then(response => {
      this.statusOptions = response.data;
    });
    */
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      let data = {
        "_tree":true,
        "_order": ["sort"],
        "_d":3,
        "_where":{
          parent__id__isnull:true
        }
      }
      listMenu(data).then((response) => {
        // let list = response.data.lists.map((item) => {
        //   item.parentId = item.parent ? item.parent.id : null;
        //   return item;
        // });
        // this.menuList = this.handleTree(list, "id");
        this.menuList = response.data.lists
        this.loading = false;
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if ((node.children && !node.children.length) || node.children == null ) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children,
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      let data = {
        // "_tree":true,
        "_order": ["sort"],
        "_nowhere":{
          "type__eq":"F"
          // parent__id__isnull:true
        }
      }
      listMenu(data).then((response) => {
        this.menuOptions = [];
        const menu = {id: 0, name: "顶级菜单", children: []};
        let list = response.data.lists.map((item) => {
          item.parentId = item.parent ? item.parent.id : null;
          return item;
        });
        // menu.children = response.data.lists;
        menu.children = this.handleTree(list, "id")
        this.menuOptions.push(menu);
        // this.menuOptions = response.data.lists

      });
    },


    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        parent: 0,
        name: undefined,
        type: "M",
        sort: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.id) {
        this.form.parent = row.id;
      } else {
        this.form.parent = 0;
      }
      this.open = true;
      this.title = "添加菜单";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      oneMenuForEdit(row.id).then((response) => {
        this.form = response.data;
        this.form.parent = this.form.parent
        this.open = true;
        this.title = "修改菜单";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != undefined) {
            updateMenu(this.form).then((response) => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMenu(this.form).then((response) => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm(
          '是否确认删除名称为"' + row.name + '"的菜单?',
          "警告",
          {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning",
          }
      ).then(function () {
        let data = { ids: [row.id] };
        return delMenu(data);
      }).then(() => {
        this.getList();
        this.msgSuccess("删除成功");
      }).catch(() => {});
    },
  },
};
</script>
